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Analysis

  • max time kernel
    1482s
  • max time network
    1495s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13/03/2024, 15:27

General

  • Target

    KFC changed me (mp3cutnet)-drums.mp3

  • Size

    2.3MB

  • MD5

    47125c11b93a35a86e4d1b4c1fbade51

  • SHA1

    1992ab3ac508fa64082b5bf4d6d03be9ce453f4c

  • SHA256

    2874c92f30d3fef12c78ed8ac17de5d4e29278f5f60bb6ac66e9d5b622e0ea76

  • SHA512

    4adca0ef917f1a62bdac803719cb79f1b0f8cefe7f315dd772dd80156a61c9f8560ba1875149fe2e8e1e6695f8536349bf73639feca6684eacc934291d20ca1c

  • SSDEEP

    49152:K7+hBSSBYXS/yuVFsrM5+OEnc5wqdTYht+seOud29ZvWZL2w:h/NBYXSOM5Inc5ZKwOudmw

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\KFC changed me (mp3cutnet)-drums.mp3"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
      "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\KFC changed me (mp3cutnet)-drums.mp3"
      2⤵
        PID:3992
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4908
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
          3⤵
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:1152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

      Filesize

      256KB

      MD5

      aea19723ba05cc4c01e58b17e44358be

      SHA1

      2bf99d6ac66affcb34f4562341ba13c7ab2e1bdd

      SHA256

      b66153194c41c7d59fd7fe81a9f025faffb9c1e69993c374355315147dd212e1

      SHA512

      ce2921178063e7e5b0e699338cee880a287eb5ec04f24e1527ef426a5c7f953c384f8b240ae4f180ac0b64d1171093f9fc88bf42fe7ab311496f4815b99f960d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

      Filesize

      9KB

      MD5

      7050d5ae8acfbe560fa11073fef8185d

      SHA1

      5bc38e77ff06785fe0aec5a345c4ccd15752560e

      SHA256

      cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

      SHA512

      a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

    • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

      Filesize

      1KB

      MD5

      025c93118b1af2c6b9405edbed054cd2

      SHA1

      ad021483d028d98dc2469c124993c9b765152356

      SHA256

      da958c6c67d4ffa728ce94eb2aa961d1c78b60dde88319e7d7f032c526c045c9

      SHA512

      4db7d5f48cd18956cd76ac1ee7fdb67b36fc49a843326a5413e436e837e561cdb05f6b3de3fb814db6d092554b23a8a2f67e3288c5e86ebfeb4950ee1902490e